Baker Tilly OBT is a member of Baker Tilly International. Partner Fabian Petrus is a key tax contact at Zurich. He joined the firm in 2008. Partner Roland Etienne is based in Geneva and joined the practice in 2017. He has been active in tax for close to 30 years.

The firm offers clients tax advice, representation in audits and legal consulting, and also assists clients in cross-border issues in Switzerland and overseas.